⚠ Actively exploited
Added to CISA KEV on 2025-10-06. Federal agencies required to patch by 2025-10-27. Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable..
CVE-2013-3918 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft Windows Server 2008
Severity
8.8HIGHNVD
EPSS
87.0%
top 0.56%
CISA KEV
KEV
Added 2025-10-06
Due 2025-10-27
Exploit
Exploited in wild
Active exploitation observed
Affected products
Timeline
PublishedNov 12
KEV addedOct 6
KEV dueOct 27
CISA Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description
The InformationCardSigninHelper Class ActiveX control in icardie.dll in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds write) via a crafted web page that is accessed by Internet Explorer, as exploited in the wild in November 2013, aka "Inf…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9